Grains

Excessive consumption of refined grains has been related to unhealthy weight gain and diabetes. One of the reasons why the American Dietary Guidelines suggests reducing your intake of refined grains is because of this. Paleo diets, on the other hand, restrict all grains, not just refined ones.

In truth, it's possible that this isn't even warranted. Our paleolithic ancestors ate tiny amounts of entire grains, including the predecessor to modern wheat, according to archeological data dating back more than 100,000 years. But it's necessary to take clear standards consuming with a grain if you're following a paleo diet. Because ancient grains like quinoa, amaranth, and buckwheat are seeds with ancient origins, they are sometimes allowed in moderation.